The Globe and Mail Bookmark Please log in to listen to this story. Also available in French and Mandarin. Log In Create Free Account Getting audio file ... This translation has been automatically generated and has not been verified for accuracy. Full Disclaimer Dave Chan/The Globe and Mail The world is becoming a more dangerous place, Canada’s top military commander says, with the rise of great-power competition from Russia and China and the uncertainty of American leadership to maintain alliances and shape new ones. General Jonathan Vance is soon retiring as Chief of the Defence Staff, but offered a stark assessment of the military challenges facing Canada and the world.